German BERNARD valves BERNARD models BERNARD prices

BERNARD valves are used to prevent backflow of media, opening automatically using the kinetic energy of the fluid itself and closing automatically during reverse flow. They are commonly installed at pump outlets, steam trap outlets, and other locations where reverse fluid flow is not permitted. Check valves are classified into swing type, lift type, and wafer type. For swing check valves, fluid can only flow from left to right, and they close automatically during reverse flow. For lift check valves, when fluid flows from left to right, the valve core lifts to form a passage; during reverse flow, the valve core is pressed against the valve seat and closed. For wafer check valves, fluid